refactor: move pkg/ to internal/ and update imports

Restructure project by relocating package contents from pkg/ to internal/ to better reflect internal-only usage. This commit is initial step to prepare project for public api

internal/search/search.go

@@ -0,0 +1,66 @@
+// This file was originally part of the project "LURE - Linux User REpository", created by Elara Musayelyan.
+// It has been modified as part of "ALR - Any Linux Repository" by the ALR Authors.
+//
+// ALR - Any Linux Repository
+// Copyright (C) 2025 The ALR Authors
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+package search
+
+import (
+	"context"
+
+	"github.com/jmoiron/sqlx"
+
+	database "gitea.plemya-x.ru/Plemya-x/ALR/internal/db"
+)
+
+type PackagesProvider interface {
+	GetPkgs(ctx context.Context, where string, args ...any) (*sqlx.Rows, error)
+}
+
+type Searcher struct {
+	pp PackagesProvider
+}
+
+func New(pp PackagesProvider) *Searcher {
+	return &Searcher{
+		pp: pp,
+	}
+}
+
+func (s *Searcher) Search(
+	ctx context.Context,
+	opts *SearchOptions,
+) ([]database.Package, error) {
+	var packages []database.Package
+
+	where, args := opts.WhereClause()
+	result, err := s.pp.GetPkgs(ctx, where, args...)
+	if err != nil {
+		return nil, err
+	}
+
+	for result.Next() {
+		var dbPkg database.Package
+		err = result.StructScan(&dbPkg)
+		if err != nil {
+			return nil, err
+		}
+		packages = append(packages, dbPkg)
+	}
+
+	return packages, nil
+}

internal/search/search_options_builder.go

@@ -0,0 +1,86 @@
+// ALR - Any Linux Repository
+// Copyright (C) 2025 The ALR Authors
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+package search
+
+import (
+	"fmt"
+	"strings"
+)
+
+type SearchOptions struct {
+	conditions []string
+	args       []any
+}
+
+func (o *SearchOptions) WhereClause() (string, []any) {
+	if len(o.conditions) == 0 {
+		return "", nil
+	}
+	return strings.Join(o.conditions, " AND "), o.args
+}
+
+type SearchOptionsBuilder struct {
+	options SearchOptions
+}
+
+func NewSearchOptions() *SearchOptionsBuilder {
+	return &SearchOptionsBuilder{}
+}
+
+func (b *SearchOptionsBuilder) withGeneralLike(key, value string) *SearchOptionsBuilder {
+	if value != "" {
+		b.options.conditions = append(b.options.conditions, fmt.Sprintf("%s LIKE ?", key))
+		b.options.args = append(b.options.args, "%"+value+"%")
+	}
+	return b
+}
+
+func (b *SearchOptionsBuilder) withGeneralEqual(key string, value any) *SearchOptionsBuilder {
+	if value != "" {
+		b.options.conditions = append(b.options.conditions, fmt.Sprintf("%s = ?", key))
+		b.options.args = append(b.options.args, value)
+	}
+	return b
+}
+
+func (b *SearchOptionsBuilder) withGeneralJsonArrayContains(key string, value any) *SearchOptionsBuilder {
+	if value != "" {
+		b.options.conditions = append(b.options.conditions, fmt.Sprintf("json_array_contains(%s, ?)", key))
+		b.options.args = append(b.options.args, value)
+	}
+	return b
+}
+
+func (b *SearchOptionsBuilder) WithName(name string) *SearchOptionsBuilder {
+	return b.withGeneralLike("name", name)
+}
+
+func (b *SearchOptionsBuilder) WithDescription(description string) *SearchOptionsBuilder {
+	return b.withGeneralLike("description", description)
+}
+
+func (b *SearchOptionsBuilder) WithRepository(repository string) *SearchOptionsBuilder {
+	return b.withGeneralEqual("repository", repository)
+}
+
+func (b *SearchOptionsBuilder) WithProvides(provides string) *SearchOptionsBuilder {
+	return b.withGeneralJsonArrayContains("provides", provides)
+}
+
+func (b *SearchOptionsBuilder) Build() *SearchOptions {
+	return &b.options
+}

internal/search/search_test.go

@@ -0,0 +1,65 @@
+// ALR - Any Linux Repository
+// Copyright (C) 2025 The ALR Authors
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+package search_test
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	"gitea.plemya-x.ru/Plemya-x/ALR/internal/search"
+)
+
+func TestSearhOptionsBuilder(t *testing.T) {
+	type testCase struct {
+		name          string
+		prepare       func() *search.SearchOptions
+		expectedWhere string
+		expectedArgs  []any
+	}
+
+	for _, tc := range []testCase{
+		{
+			name: "Empty fields",
+			prepare: func() *search.SearchOptions {
+				return search.NewSearchOptions().
+					Build()
+			},
+			expectedWhere: "",
+			expectedArgs:  []any{},
+		},
+		{
+			name: "All fields",
+			prepare: func() *search.SearchOptions {
+				return search.NewSearchOptions().
+					WithName("foo").
+					WithDescription("bar").
+					WithRepository("buz").
+					WithProvides("test").
+					Build()
+			},
+			expectedWhere: "name LIKE ? AND description LIKE ? AND repository = ? AND json_array_contains(provides, ?)",
+			expectedArgs:  []any{"%foo%", "%bar%", "buz", "test"},
+		},
+	} {
+		t.Run(tc.name, func(t *testing.T) {
+			whereClause, args := tc.prepare().WhereClause()
+			assert.Equal(t, tc.expectedWhere, whereClause)
+			assert.ElementsMatch(t, tc.expectedArgs, args)
+		})
+	}
+}